health and science editor john fowler ktvu channel 2 news. >>> if you live or work in the walnut creak area, two lanes of this road will be closed in both directions tomorrow through friday from ten p.m. to 5:00 a.m -- 10:00 p.m. to 5:00 a.m. they will be making road repairs. >>> today is the thirdpad spayd in a row. -- third spare the air day in a row. ktvu's chief meteorologist bill martin is tracking cooler weather. >> got nowhere to go but get cooler. today is the hottest day of the week. dry and drown out there. one thing i picked up earlier on the 5:00 p.m. news, fairfield, the winds out of the east, off shore. in the last hour they shifted southwest. that is the mechanism for the cooling. that is why we are calling for cooling tomorrow. it will still be hot tomorrow, upper 90s but we should see cooling around the bay. by tomorrow night, we will see a strong onshore push. we are lucky there isn't wind today or tomorrow because it is hot and dry. nasty fire conditions. if there was wind, the national weather service guys would have it up in no time a red flag warning. tomorrow's h